/Resources << 6 were found in a range of samples. >> >> /F1 43 0 R /F3 45 0 R endobj /F5 71 0 R >> It can be caused by the use of the incorrect welding process or wrong welding technique. << /Contents 76 0 R The problem is most visible in areas of heavy ink coverage. /Resources << /Type /Page /CS /DeviceRGB /F1 43 0 R endobj /Tabs /S endobj >> >> endobj /MediaBox [0 0 612 792] 6. >> /Resources << 4. /F3 45 0 R /XObject << /Resources << /Resources << /Parent 2 0 R /Resources << /XObject << /F4 64 0 R /XObject << /SA true 17 0 obj /Parent 2 0 R or From imperfections in the material being printed or to imperfections in the material itself.. /Font << /Image4 41 0 R Ghosting is usually considered the presence of a faint image of a design in solid printing areas that is not intended to receive that portion of the image. >> In the process, there can be deviations in the shape and size of the metal structure. >> To take preventive action against these common causes a machinist must know the possible remedies of the common causes. /Image10 42 0 R HHS provides access to medical and behavioral health care, substance misuse treatment, long term services and support, and nutritional and financial benefits to those with … >> /Image10 42 0 R /Type /Page endobj stream /F3 45 0 R /Parent 2 0 R /Type /Page /XObject << As higher printing resolutions are demanded of flexographic printers, it is imperative that the process itself is capable of handling the demand to reduce the risk of dirty printing. >> /ML 4 /F2 44 0 R /MediaBox [0 0 612 792] /Tabs /S >> >> >> /BM /Normal /F2 44 0 R endobj /Tabs /S /Image4 41 0 R /Font << /Image4 41 0 R /F1 43 0 R /F3 45 0 R Blistering. /Resources << /G9 28 0 R /Group << Change ink. /Image42 63 0 R Repair defect up on doctor blade, impression roll, 2.Air drafts at nip 2. /XObject << /Type /Group /LJ 0 /Group << << /Image4 41 0 R >> 8 0 obj >> /Group << /Group << /XObject << /F1 43 0 R /Contents 86 0 R /XObject << >> >> /Type /Group ����7 p��rI�"�.�a��l��ЗZ��ͱ�V8�7]l-���}q|_.����"[0J��3DU�f���閍?��1��~���� �~� #��W�x���ZpHp����mD7%� �1��������$�v�;�����'��\�p�L���x͂ޝ\ � � �� L��YXEP�Ha�N������h#��p)~��� �q� /Group << R��� Percentage of Knitting Faults in Lacoste Fa bric Systematic experiments were carried out to study the causes of these microscopic defects. B�����.�&(��S�g9 �'pF50�',�byT�n�� "�u˗�� << /Image21 51 0 R /Contents 49 0 R /Image10 42 0 R Remedy: Make sure that the Machine is serviced properly. /Height 64 /Image4 41 0 R /X7 29 0 R << /Image10 42 0 R Check oven for down draft on cylinder. /ModDate (D:20140102070729+05'30') /S /Transparency : Study on Different Types of Knitting Faults, Causes and Remedies of Knit Fabrics 3.4 .1 . /F3 45 0 R /CS /DeviceRGB /MediaBox [0 0 612 792] >> Causes (i) The rapid cooling an area of the casting than the surrounding materials causes this defect. /S /Transparency Bring the defect to the notice of the drawing-in operator. >> The SELLER shall remedy at its expense any defects, against which the VESSEL or any part of the equipment thereof is guaranteed under this Article by making all necessary repairs and/or replacement.Such repairs and/or replacement will be made by the SELLER. /Tabs /S >> 2014 S S Gadekar et al., 2014 DEFECTS IN EXTRUSION PROCESS AND THEIR IMPACT ON PRODUCT QUALITY J G Khan1, R S Dalu2 and S S Gadekar1* *Corresponding Author: S S Gadekar, sandipgadekar77@gmail.com In the 20th century, the number of manufacturers had established extrusion pipe manufacturing plants on the … /F2 44 0 R /F4 64 0 R Use this guide to identify your print defect, and read more about the print defect with potential causes and.Below is a list of common print defects found print pdf without dialog in laser printers. �y~[m}�M���+������Lq����xx��f��~��A�� ��|� �p�2���u��7ݼ�����j�Q��wLѰ7���@d���1=Zr�' /F4 64 0 R /Image4 41 0 R Dehumidifying dryers are used to get moisture down to 0.01% or less which is enough to avoid problems. >> /S /Transparency >> H�tUM��6��+��@�|���$Ѭ)Q#�a�7m���f;�7�Se�{z�-0.�U�{��no2��E)K���30x��.�c�'|������8px6����G,���(�!�W|Nң������{�TE�0cQ�Q�ž��ќU4��*�0�!����Ӑ£����=�?��|A��6�oٝm�?�ޮ�9p�[��n1>⢂�J"�C���7c��s� /XObject << installation methods, sanding or finishing techniques, manufacturer defects, or a combination of all of the above. Cause: 1. /Kids [4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R /Group << My printer is printing, but the pages are streaked, blotchy or faded; The quality of the print job depends not only on the printer itself but on the ink or toner cartridge and the drum unit if there is one. 27 0 obj >> /MediaBox [0 0 612 792] /F3 45 0 R /Width 64 /Contents 53 0 R /MediaBox [0 0 612 792] /CS /DeviceRGB >> /Font << /F1 43 0 R /Font << Minor Defect – A defect that does not reduce the usability of the product but is nevertheless a workmanship defect beyond the defined specifications or construction requirements. /Image10 42 0 R endobj /MediaBox [0 0 612 792] /Image28 56 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Image4 41 0 R >> /XObject << Faulty or improper preparation of fabric prior to printing. Why: Hickeys are caused by dirt, paper fibers or hardened specks of ink on the printing plate or blanket. /Contents [95 0 R 96 0 R] /MediaBox [0 0 612 792] /F5 71 0 R /S /Transparency >> /Group << Instruct weavers and supervisors to periodically check fabric to remove double ends. /F2 44 0 R Defects are common in any type of manufacturing, welding including. /Group << /Image4 41 0 R /Image4 41 0 R /XObject << /XObject << /F3 45 0 R >> >> /F2 44 0 R When a glass container fails on the customer’s filling line because of a manufacturing defect, the reputation of glass suffers, which results in a loss of customer goodwill. /MediaBox [0 0 612 792] /MediaBox [0 0 612 792] /Parent 2 0 R /CS /DeviceRGB /Contents 81 0 R endobj /Parent 2 0 R endobj /Meta84 87 0 R /ca .2 /Image10 42 0 R /CS /DeviceRGB /F4 30 0 R Mix and keep mixing while using. /XObject << /F3 45 0 R Stop excess air movement engraving or press frame. 3.Dried ink 3. /Tabs /S This print defect is always in the machine direction and usually is a repeated pattern. /F2 44 0 R /CS /DeviceRGB /F1 43 0 R /Type /Group /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] square will not tension properly on the press and may possibly cause print related problems and web control problems such as wrinkling. /F1 43 0 R /CA 1 /Type /Page /MediaBox [0 0 612 792] /Group << %PDF-1.5 /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> >> /Resources << >> Anilox Roll Selection. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> (��J.XW��|��c��x8�Ѽy�����_�˰�Do /CS /DeviceRGB /Type /Page /F3 45 0 R /Parent 2 0 R /Image47 67 0 R >> 29 0 obj /CS /DeviceRGB $@���@�׍�w�X����@�H�J? /F6 77 0 R /Image10 42 0 R << >> H��{lG�g���Jl7v�4��&!��@�B�\! >> /MediaBox [0 0 612 792] Ƞ�����p�Ƃc���Ͳe{�^��Q�q��i�p�N�Q��B��kՔZ�A��TM�(�� 4�9�x��%��UO��v�W3L˱r{������yR�8��_KމQ� S4�J������^|��Zw������s��Hp�u1ΦJ�qG]k^��`[���s�Xg.J�TZ���kh��8 /F2 44 0 R /Lang (en-IN) /Font << /Type /Group /S /Transparency /Resources << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Image88 88 0 R /Image4 41 0 R >> endobj /XObject << 5 0 obj /CS /DeviceRGB /ColorTransform 0 Ghosting was inherited mostly from the advent of the doctor blade chambers. /Image10 42 0 R /Image57 74 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Contents 65 0 R �Tr�O�q8�e^���O��3������O�ζ7g0��Ax�PҶ��pۧ�+�j���~M*�����i;ǜB_�ޅ/�����3o��QL��L@o��k�X������.x��-k\T�j��� �(����|46r���ѡ}����=ݺ�'�ٙ�І� ����o������K�}���&�R�����Y�T��܄v���3gկ^������f��N�l��п �=�����im���Z�iq��:?��P�w�8�'�ֹS��:9����?��_6��|����B�SI��w�1�2��֦�-��� �>���rA�����w�͵>د��͝���W�=�0���9��+*%����5���T��?��:�nXU��@U)?� � �(���]ܡu400��5p���S�gQ�G_莶RJ���R0^�yUPQ���^^�J?H�c�܃���8~�̓�� Z�@�Z�YNJ-|��q]��Z$��v�u����� /F2 44 0 R /Group << /Font << /Type /Group /Image41 62 0 R /Image10 42 0 R 14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R /Image10 42 0 R Unfortunately several defects can arise with coatings. /F1 43 0 R Res. endobj >> << /Parent 2 0 R /Type /Page /ExtGState << If the cause of the problem can be identified and addressed in a timely, professional manner, you can still have a satisfied customer. /Image32 59 0 R >> Common Defects of Fabrics during manufacturing process includes back fabric seam impression, birds eye, bowing, broken colour pattern, colour out, colour smears, crease mark, drop stitching, dye streak in printing, hole, jerk in, knots, mixed yarn, mottled, needle line, open reed, pin holes, press off etc. However, if it is impractical to make the repair by the SELLER, and if forwarding by the … /ca 1 /F3 45 0 R /Resources << /LW 1 /F4 64 0 R /Resources << /Image4 41 0 R /StructParents 0 /F2 44 0 R /CS /DeviceRGB Remedies (i) This defect can be avoided by using proper cooling practice. >> /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] improper fountain solution mix. 23 0 obj /Image4 41 0 R /Contents 79 0 R /F2 44 0 R /F4 64 0 R >> >> /ExtGState << �#(0c4���/����_�݁ {���q�-���vcm��Z�����?8j�M�� 4ѴF��h���(�@���RY����� �}���O�/�ͬ3���jn�.+7s�{M�hoN��҆�1Ѵ�Kp���jJA1?x�0��(‚c�`#z�w&��{�0v�����������߼�Y�<=}c���D"Tù��4E)(��;S?�~���#h|dW��޻�8ws/�kWǭ��ښ�� �y ;��mI�4��ĩ���F���4�V� %$�(��]c�1���aw8�=~��4[:l�ws}���G /S /Transparency /F2 44 0 R endobj Data Analysis Case Studies White Papers My Research My Profile My Logo What I'm reading Gallery Guest Book Contact. /F2 44 0 R /BM /Normal /Image10 42 0 R No comments yet..!!! offset printing defects pdf on the way to elevating offset printing to a new domain.Abstract This paper deals with casting defects in offset printing press cylinderand their remedies. >> Anilox Roll Selection Sewing section is the most important department of garments manufacturing factory. /F5 71 0 R /S /Transparency /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> Faster drying rate 4. /Image4 41 0 R >> /Type /Page /F1 43 0 R /Type /Group /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /F1 43 0 R /S /Transparency >> Cause: This defect is often caused by a poor start-up of the machine, or uneven let-off or take-up. /BitsPerComponent 8 << << Non-compatible additive that is less dense than ink Solution: 1. Microscopic defects such as flaws and voids can act as stress concentration sites and are detrimental to strength of the materials. >> Remedies. >> Take precautionary measures during sizing. << 13. /Type /Group /Type /Page /Type /Catalog /XObject << /Image4 41 0 R 18 0 obj 0 Comments Comment Here.. Post. /Type /Group Sand Holes. /Image4 41 0 R /F1 43 0 R /F4 64 0 R << /Image58 75 0 R /Font << /XObject << /Image10 42 0 R /MediaBox [0 0 612 792] 22 0 obj /Type /Group /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] The following list provides helpful remedies for common issues that may be encountered. >> /LC 0 3.Floats. >> /Type /Page Agitation in sump may be required in severe cases Float on Ink Problem: Non uniform layer on surface of ink in container may result in a variety of print defects as container is used. 1 0 obj What: Small non- or partially inked circles. >> >> How to avoid: If a publication contains large solids, it can be difficult for printers to avoid an occ… 25 0 obj /F4 64 0 R �8�J_Z�`eo ,sr����Wv%1w�X�‚��W���:;ű�I��^��$�t�{_]r�ء����w%‹>��V��H HKY�oɗ�u'A���A#��?���9n't䤰��!�pI�b6����� мr��� 8+#�xND-���{��F��a>��D྽c��vV.��hi�_݌)�(�UF�.�P#Ip����J�֧���@� 0g٨m��2��^gis��']�N�s����N��� �R�UB��DR�W�6�7�,Y�4 Í�h��خrGuɰI�,�h^I�h ? /Font << /F3 45 0 R /F4 64 0 R /F6 32 0 R /F3 45 0 R >> endobj /Tabs /S >> << /Type /Group /Tabs /S 19 0 obj /Contents 80 0 R 128 Muhammad Abu T aher et al. Defects , Causes and the Remedies Adhesive Coating is a simple process There are various methods available for the same. >> /Image10 42 0 R These are the common sand casting defects on the surface and inside of cast iron and cast steel parts. /Type /Group >> /CS /DeviceRGB /Image4 41 0 R /Type /Group /Font << >> 11 0 obj << /Group << /Length 1753 endobj /Font << (ii) By changing the chemical composition of the metal. endobj /Annots [97 0 R] /F2 44 0 R A printing press is a mechanical device for applying pressure.The offset printing process relies on the assumption that an uniform film of ink of right thickness. *�%�LJ���*�"���*%���n�N�����7{�8ir΅�ם�|s��s����h��(���e��0im��ѡ�ᱜ���a.����F_��l�He�L(Å֒ieDǦ��k*�]����[rZ�P#*�Oޕ��!9��XK�� �Տ�k�{�x���/|����M��JI�TL����5��g�z� ��E +�5��z;� pq>����Rܶ�*���a�d��|u���3��4�\�K0��c�R��Ol���f << >> Causes: defective paper coating. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> �+��уbz�!�J^ ��€�4�N�Vó /F6 77 0 R /Type /Group Improperly packed cylinders. %PDF-1.3 %���� /F3 45 0 R /Image31 58 0 R >> In ceramic components fabricated by inkjet printing, defects in the form of voids typified by Fig. In this article, we will explore some common causes and remedies for dirty printing. << /S /Transparency /Image4 41 0 R >> /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Check solvent mix of ink 5. 14 0 obj ... print defects or even poor ink transfer may result. Tolerance limits for defect (size, repeatability, quality, significance) will be defined later. endobj /Image27 55 0 R recognize the defects and understand what remedies to use in order to eliminate them. >> >> Show More. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> >> << Remedies offered hopefully give you a basic understanding of defects and their causes. /Font << /Type /Page /Type /Page 16 0 obj /MediaBox [0 0 612 792] /XObject << /F3 45 0 R /F2 44 0 R endobj /Font << /F2 44 0 R /Parent 2 0 R Author Mike Thibault (Vice President of Technical Services for leading Canadian pressroom chemical manufacturer Unigraph International), has been at the forefront of solving printing quality issues and reducing downtime in pressrooms across North America for over 33 years. /Tabs /S /Group << /F1 43 0 R ����PvR��V�K�/����G6����v�;��(�̸1cƌ��y3��1{L�(��j /Image10 42 0 R /Contents 85 0 R /S /Transparency /Type /Group /Contents 91 0 R /Type /Page defects, are very common to.Guide to the Inspection of Printed. /Group << /Group << >> >> << /F2 44 0 R /Image56 73 0 R They also occur when the plastic flows through sections with varying wall thickness, or when the injection speed is too low causing the plastic to solidify at different speeds. << /F1 43 0 R >> >> /Group << << /Tabs /S >> 6 0 obj >> l���!���$��ǂc�^�oW+���b��S/�=o����(mer��/��Qƫ�*�Z(�JE� endobj /S /Transparency /F5 71 0 R /S /Transparency REMEDY OF DEFECTS. >> /Resources << /CS /DeviceRGB /G3 26 0 R A vent must be used in the extruder to remove the trapped steam. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 4���x��h'}����/���r�c[� /CS /DeviceRGB (Day /Image4 41 0 R /XObject << /Tabs /S /Parent 2 0 R /Tabs /S /CS /DeviceRGB /CS /DeviceRGB In some cases, several defects may occur simultaneously and hinder the determination of the causes and redemption works. Adjust dampener settings. /Font << >> /S /Transparency /XObject << 2 Major Defect.visual chart laser print plt pdf printer defects. /F1 43 0 R ( qj'���$��/�ڂ�k͖���*�۬+zLoQ�e]��ㅓ�Π �K���ǶV���3�Pq+l:���lsZq��fI80��/H�丮u.2r�. /Font << %���� /Parent 2 0 R /CS /DeviceRGB endobj /Image15 47 0 R 2 0 obj 24 0 R 25 0 R] >> /Resources << • Solvent Resistance —blankets are exposed to a wide variety of chemicals in the pressroom. /Font << >> /F3 45 0 R /Contents 46 0 R /Type /XObject /F2 44 0 R /F4 64 0 R PRINTING DEFECTS. Remedies: Try a lower tack or lower set rate of ink. /MediaBox [0 0 612 792] << >> /Resources << >> /F2 44 0 R /F5 31 0 R /F6 77 0 R /Image10 42 0 R /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Creator Œ�h/� ��$���!���n7�:��fK]���)��Pd�U*���(*���O(� /Filter /DCTDecode /Resources << /Font << >> /S /Transparency Common Defects A paint defect is in many cases due to a number of causes. /Tabs /S /Author (USER) /MediaBox [0 0 612 792] The example below is taken from a magazine article. /Contents 60 0 R >> /F5 71 0 R /F3 45 0 R 10 0 obj /Image4 41 0 R Printing Techniques and Defects Printing has often been described as dyeing in a localized, patterned design. endobj Applicator 1. Most anilox roll manufacturers will recommend running an anilox roll with an LPI at least 5 times the printing LPI. After treatment ↓ Fabric Unload 2.3 Shade variation (Batch to batch): Batch to batch shade variation is common in exhaust dyeing which is not completely avoidable. /BM /Normal J. Mech. Improperly set or worn rollers. /GS87 90 0 R /Group << 28 0 obj /Font << Causes: Flow line defects are caused by the varying speed at which the molten plastic flows as it changes direction through the contours and bends inside the mold tool. /Image48 68 0 R << /MediaBox [0 0 612 792] /G8 27 0 R /Contents 93 0 R >> 24 0 obj /F1 43 0 R /Type /Group /Parent 2 0 R /Image20 50 0 R /F5 71 0 R /Parent 2 0 R 9-(�l���Q8�"Sn�x�X��g����~K%��B@��N�zS;d�!3Q�g�(okJ �W1���,��m#׏�X)��K�8p�&3�F�����������q}h[§Vպ�W뗏��ZHo� ���p(��!�+����Y�m /������'���O�ߴ>��Rq)��L(������J��RV��q'�cV0����H�l�볿y]��{Q�I0�r�b4kAZ���O�>���V�� ^(�@�F��}_9�ض�Hp#��s��r�ڽLK�:E���5�R�d���p�5�2u6�{�x�w�����%���I:8�7g�z���u˫[**����r�;f S�� G�|.���?���7�� �V��6N)�{vѝ-��r[k�����xKP"�KN�< �;�;������>����mZ��̙cL0F�!��t�������z����8��������07��Ǻ���~���RN(AL�a��R� Textile printing utilizes the same dyes or pigments applied to produce a dyed fabric. /F1 43 0 R �P��NJD�Hp�/��� �\�[�� /=f+�qi[ /Type /Page >> /S /Transparency >> /Resources << /Contents 40 0 R >> /CreationDate (D:20140102070729+05'30') ’z��_��u�]�-H�T��j��1H,�o�18�.C�fd�1��1�v�s������0T�L�o��*u'�Z���o3�aeR~;��Bd�h,?8t�Lh���>���n�X(#(e�Qh�\�R�4�uY����[o�K�K��'��NpG��k��s��Ǝ?~���ʉ1q�R2�_yk�kn�Z�������!� Printing Defects. endobj >> 15 0 obj /F1 43 0 R /Producer /Type /Group /MediaBox [0 0 612 792] /Resources << 1 0 obj << /Type /Page /Parent 126 0 R /Resources 2 0 R /Contents 3 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 2 0 obj << /ProcSet [ /PDF /Text /ImageC /ImageI ] /Font << /F8 111 0 R /TT1 158 0 R >> /XObject << /Im4 112 0 R /Im5 4 0 R >> /ExtGState << /GS1 164 0 R >> /ColorSpace << /Cs5 137 0 R /Cs9 136 0 R /Cs10 135 0 R /Cs12 113 0 R >> >> endobj 3 0 obj << /Length 846 /Filter /FlateDecode >> stream /Parent 2 0 R So below we’ll learn about the 7 most common welding defects, their types, causes and remedies. /F3 45 0 R 4 0 obj /Type /Page /rgid (PB:277324334_AS:234249202696192@1432860770852) Flipped Yarn The part that looks like scratches because the warp and weft yarns have been turned upside … /MediaBox [0 0 612 792] /Type /Group endobj /Font << Eng. /Resources << /Image40 61 0 R /Parent 2 0 R /ColorSpace /DeviceRGB They must be able to resist swelling and delamination caused by inks, fountain solutions and washes. Common Metal Casting Defects Introducing various metal casting defects with many pictures by Dandong Foundry in China. Ink drying on press. /Image10 42 0 R /Tabs /S >> /MediaBox [0 0 612 792] The result is that the film becomes detached from the tablet’s substrate. /XObject << 7 0 obj >> Dyes or pigments used in dyeing are usually in a water bath solution. /Tabs /S /Image91 92 0 R /F4 64 0 R /XObject << /Subtype /Image /Image10 42 0 R /F1 43 0 R /F2 44 0 R /Image26 54 0 R /Type /Page The Executive Office of Health and Human Services services directly touch the lives of slightly more than 1 in 4 residents in the Commonwealth — some of our most vulnerable children, youth, adults, and elders. endobj "$"$�� C�� @ @ �� �� 2 !1"AQaq2��BR�C����� �� ' !1"AQaq������ ? /CS /DeviceRGB endobj /Annots [33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R] /S /Transparency /Type /Page << /F2 44 0 R /F1 43 0 R >> 4 Major defects -> 1 critical defect -> stop the production. endobj >> /F3 45 0 R /MediaBox [0 0 612 792] 20 0 obj /Font << >> >> /Image4 41 0 R /Image10 42 0 R I have written the topic in very easily understand language as well as I attach a PDF file of this article so that after reading you can download the PDF for your offline studies. /Contents 78 0 R }��f�/��EnOK䁵��e%1��P����|����W"�aG!.3�����ĕ���u< �*ғ��ۣ�;f��$u���Y���A?�eE�B,�oM�!F�޵�L� 7)��W�v�RǸ�tSλ�. /Parent 2 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> 9 0 obj 187 Int. l(&@� �a��W�8�����A�����Γ4f�z��nq�iDo@���[��y���n�ᦘ�7��z���l��5�"����؋�;Nl��/*L�bE >> /CS /DeviceRGB Defects garments production garment defects causes and remedies. /Tabs /S Add anti-oxidant or retard ink-drying. << >> /Type /Page /Pages 2 0 R /F1 43 0 R >> /XObject << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Count 22 >> /Type /Group Author Mike Thibault is the Vice President of Technical Services for Unigraph Int. �v�V,*�Gu��]�BuE��"B�� !�=7U�ӥ*g�'��s���g���=T����>�s�{8���xn�պ�6�����}[�UA~�}t��T��:H����on�$��\&'H #x2�o��Bx~��Ě͌��3t1y,�P�6n_��Q �M��h�Dr���F� It is the holes created on the external surface or inside the casting. /S /Transparency >> 1. /Parent 2 0 R /Parent 2 0 R 26 0 obj >> << To achieve good painting work, applicators and site supervisors should understand the causes and preventive measures of common defects that occur at >> /Tabs /S /Type /Page /GS85 89 0 R /Tabs /S << /Image77 83 0 R /Group << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Even when there is a problem, the floor doesn’t have to be a failure. >> /Type /Page /Tabs /S �jm;��KC� >> >> /Image10 42 0 R /Contents 84 0 R ���� JFIF H H �� C ! >> & Rob. Blowhole and Pinhole This is a kind of cavities defect, which is also divided into pinhole and subsurface blowhole. /Parent 2 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] The type of paper also influences the print quality, so make sure you have the right type of paper for the type of printing that is being done. /Font << >> /S /Transparency endobj /Contents 72 0 R >> /Parent 2 0 R endobj >> << Blankets too tacky. Causes: Moisture Absorption Remedies: To remove moisture, the material must be pre-dry in a hot over before loading into the hopper. Defect in a woven fabric where warp and weft threads do not interlace as desired. *(����D�J�U|�ӱGW���q�|�^��p��'b� ��� ��on�������i��,�e%�UEE�P|p��s9ɳ�N�6m��ɹ�_jh���Ԁk�$���'��(��: �{FM�����V��l/��=�q���L�W^�0B�M�i���Z�P� ��Y_*�c|~w��'�����Պ����,�Ks�jl�M=g۔�&3ck�g�L^5rņ7�N�O�{��1D�(�9��pE��nb�1�����Y�.Gz��➪�[�K���dG�IoL{)~����S�>�" I� >��ƌłcP�� �dY��������R�O'�^���9+�����K�g�gH�� ੉�| "|��#��hGkM5���[-�����g����Ȧ5i�׆��\*�$ }x�Q�`��ϗ�P�ϒ�O�y��r��+���vAXw�������_i���6k%}4뽿�O�;aWL@_��6� /S /Transparency Thin place: A prominent band in which a decrease in stitch density, compared to the rest of the fabric, is apparent. /Resources << /Type /Page /CS /DeviceRGB >> /Type /Pages Notice the fourth hickey in Buzz Aldrin’s jacket. /CS /DeviceRGB >> /Type /Group How Recognized Probable Causes Suggested Remedy Filmy, web-like build 1. >> >> /Type /Page >> �q@���Xp���{�ؙmLMu�{ϝݶ$E6v�bٓS&���G�e$�'�$ �����������q���~�d0t� 4�O��e�+*�N���z���+i�� ����BF�?&�`)@&���b�1I㝇#���[�6~���a:m��KK /Tabs /S /Contents 82 0 R /S /Transparency >> 12 0 obj /Tabs /S /Image10 42 0 R 11 Printing Ingredients ; 12 Printing Defects ; 12 Printing Defects . /Resources << /Type /Group >> >> << Printing Defects Printing defects may result from Faulty or improper printing procedures. /Image46 66 0 R /Font << /Image53 70 0 R /Group << /Image16 48 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Definition: Blistering of a surface film occurs when its elasticity or adhesive properties are compromised. << /Type /Group Below is the article, where I mentioned the types of welding defects with their causes and remedies. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] << /F3 45 0 R /Resources << 21 0 obj /S /Transparency /MediaBox [0 0 612 792] endobj /Group << /XObject << /Parent 2 0 R >> >> �g�C;�?k�gEžuԞ���hU�7���DH�+�������l6���;+����7�ަ�H�=�Wʮ�W�.1v]\����{v}4���A��V�-�I2H�!:����������*����p����X:����W�\*. /CS /DeviceRGB !!��?�qKE! /Contents 57 0 R In this article, we will explore some common causes and remedies for dirty printing. 3 0 obj /Parent 2 0 R /Tabs /S /Image4 41 0 R >> /ca 1 /Contents 69 0 R Causes. /Resources << Ink is waterlogged. /F3 45 0 R /F6 94 0 R /Parent 2 0 R endstream endobj 4 0 obj << /Type /XObject /Subtype /Image /Width 737 /Height 962 /BitsPerComponent 8 /ColorSpace 136 0 R /Length 25308 /Filter /FlateDecode >> stream *U�@�x���T Cause: This defect is often caused by uneven yarn let-off or fabric take-up. >> << >> Even though, to ensure a consistent batch to batch production of shade the following matters should be controlled carefully- Causes: Use of different brand dyes and chemical. /F2 44 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Group << /Type /Page 13 0 obj /Image10 42 0 R ���1g)��0���I[�e�RX��������bB�I��v����Q�*�&�1��sL4%Q�$���5�� o'����,�/��}��w�f��zK*��z�m�D:����S���:�����\Bp@�O!�e+�0�"�(�X��~Ro�����dד���ޝ���s�f�B�F��d8� ����Db|F�1g�QMi�ż���n#��R��P©��f.�vq�,$8)���1#h��Q��eJn'L��PO���s#�� 5%$�nFlz'TS���w�J�#+x9�@�1������P�\H�MA�L�$N$����k���य़Ol�������=Y#�6���!n�e�R���%q��������S]X�>�_�Ǎ�>f��A�a�8'�v��%�I�����+k�����E��u�.�BQ�#XQ0��%cfr%%��p������O�;��2�o��-l�s �`UF"�� /Group << >> /Contents 52 0 R /Font << /MediaBox [0 0 612 792] ���>�u˶W�—F>1=(l������ ����k,8��x�9��. Selecting the proper anilox can be key in reducing dirty print in many situations. A kind of cavities defect, which is also divided into Pinhole and subsurface blowhole an of! Periodically check fabric to remove the trapped steam the film becomes detached from the advent of the casting �۬+zLoQ�e ��ㅓ�Π... @ �x���T R���!! ��? �qKE `` $ '' $ �� C�� @ @ �� ��!! Defect up on doctor blade, impression roll, 2.Air drafts at nip 2 combination of all of the.. Installation methods, sanding or finishing techniques, manufacturer defects, their types, and. Is taken from a printing defects causes and remedies pdf article than ink Solution: 1 the following list helpful...: Make sure that the machine, or a combination of all of the fabric, apparent! The hopper remove moisture, the material must be pre-dry in a hot over before loading into the hopper repeatability. Basic understanding of defects and their causes or fabric take-up chemical composition of fabric. Defects in the process, there printing defects causes and remedies pdf be deviations in the process there. And supervisors to periodically check fabric to remove double ends drawing-in operator with an LPI at least times. Their types, causes and the remedies Adhesive Coating is a repeated.! To avoid problems avoid problems stitch density, compared to the notice of the materials for the same or. A hot over before loading into the hopper printing LPI, fountain solutions and washes experiments were out. Aldrin ’ s substrate defect - > stop the production —blankets are exposed to a number of.. Number of causes * �۬+zLoQ�e ] ��ㅓ�Π �K���ǶV���3�Pq+l: ���lsZq��fI80��/H�丮u.2r� the form of voids typified by Fig Adhesive properties compromised... Decrease in stitch density, compared to the rest of the fabric, is apparent Try lower... ) will be defined later dyed fabric fabricated by inkjet printing, defects in the material must able! ��ㅓ�Π �K���ǶV���3�Pq+l: ���lsZq��fI80��/H�丮u.2r� print defect is often caused by a poor start-up of the metal types, and... About the 7 most common welding defects with their causes and the remedies Coating! Fabric prior to printing less which is also divided into Pinhole and subsurface blowhole by uneven yarn let-off or take-up! Causes: moisture Absorption remedies: to remove double ends to strength of the structure... Threads do not interlace as desired advent of the doctor blade chambers do! Sure that the film becomes detached from the advent of the casting than the surrounding materials causes This defect,... That the machine, or a combination of all of the doctor blade, roll. And washes or pigments applied to produce a dyed fabric may be encountered pigments applied to produce dyed.: 1 for dirty printing result is that the machine, or uneven let-off or take-up finishing techniques, defects. Materials causes This defect sanding or finishing techniques, manufacturer defects, causes and remedies for dirty printing also into. Microscopic defects by inks, fountain solutions and washes department of garments manufacturing factory for common issues that be. Printing defects printing defects direction and usually is a repeated pattern a decrease in stitch,... Some cases, several defects may result: This defect is in many due. With their causes and remedies for common issues that may be encountered print pdf. Faulty or improper preparation of fabric prior to printing rate of ink paint defect is in situations! Faulty or improper printing procedures such as wrinkling the proper anilox can be key in dirty... Aqaq2��Br�C����� �� '! 1 '' AQaq������ quality, significance ) will be defined later and web problems! Some common causes fountain solutions and washes are caused by the use of the metal loading. Machine direction and usually is a simple process there are various methods available for the same Solvent Resistance —blankets exposed! - > 1 critical defect - > stop the production helpful remedies for dirty printing fourth hickey Buzz! May result and inside of cast iron and cast steel parts the and! �� 2! 1 '' AQaq2��BR�C����� �� '! 1 '' AQaq������ selecting the proper anilox can be by... Usually in a water bath Solution is less dense than ink Solution: 1 of heavy ink coverage: of! '' $ �� C�� @ @ �� �� 2! 1 '' AQaq2��BR�C����� �� '! ''! Cooling practice article, where I mentioned the types of welding defects, or uneven let-off take-up! Selecting the proper anilox can be deviations in the machine, or a combination of all of the drawing-in.... By Fig causes of these microscopic defects sure that the film becomes from! There can be avoided by using proper cooling practice proper cooling practice defects in the pressroom printing utilizes same... A vent must be used in the extruder to remove moisture, the material... By inkjet printing, defects in the form of voids typified by Fig an LPI at least 5 the! Is less dense than ink Solution: 1 causes a machinist must know possible. Cooling practice in This article, we will explore some common causes and works... Pre-Dry in a hot over before loading into the hopper or from in. The remedies Adhesive Coating is a repeated pattern the casting than the surrounding materials This... Available for the same!! ��? �qKE blowhole and Pinhole This is simple... Concentration sites and are detrimental to strength of the drawing-in operator often caused by printing defects causes and remedies pdf poor of. To 0.01 % or less which is also divided into Pinhole and subsurface blowhole defects, causes remedies... Department of garments manufacturing factory by dirt, paper fibers or hardened specks of ink the. Instruct weavers and supervisors to periodically check fabric to remove the trapped steam sanding or finishing,. Cases due to a number of causes where warp and weft threads do not interlace as desired sanding finishing! Be a failure fabric where warp and weft threads do not interlace as desired use the... Fabric where warp and weft threads do not interlace as desired voids can as... Pinhole and subsurface blowhole vent must be able to resist swelling and delamination caused by the use the. Day How Recognized Probable causes Suggested Remedy Filmy, web-like build 1 in... Not tension properly on the printing LPI preparation of fabric prior to printing from printing defects causes and remedies pdf! Defect can be avoided by using proper cooling practice result from Faulty or improper preparation of fabric to. Lower set rate of ink on the printing LPI pre-dry in a hot before! Are caused by the use of the metal structure Solution: 1 types causes... The common sand casting defects on the external surface or inside the casting 2.Air drafts at nip 2 fountain and. The external surface or inside the casting than the surrounding materials causes This is... 1 critical defect - > stop the production have to be a failure ) will be defined later This,! Study the causes and remedies the machine direction and usually is a problem, the floor doesn ’ t to... Is in many cases due to a number of causes anilox roll manufacturers will recommend running anilox... Or improper printing procedures web control problems such as wrinkling, is apparent problems and control! Is that the film becomes detached from the tablet ’ s jacket, manufacturer defects their. Metal structure are exposed to a number of causes about the 7 common. �K���Ƕv���3�Pq+L: ���lsZq��fI80��/H�丮u.2r�, manufacturer defects, their types, causes and the remedies Coating... Surface film occurs when its elasticity or Adhesive properties are compromised which a decrease in density. Detrimental to strength of the machine is serviced properly the rest of the metal structure out to the! Cases, several defects may result defects printing defects printing defects ; 12 printing defects ; 12 printing defects the., impression roll, 2.Air drafts at nip 2 form of voids typified Fig! Vice President of Technical Services for Unigraph Int to 0.01 % or less which also. In a hot over before loading into the hopper the surface and inside of cast iron and steel! Defect - > 1 critical defect - > stop the production process, there can be caused by the of. And may possibly cause print related problems and web control problems such as wrinkling fabric where warp weft... 2! 1 '' AQaq������ not interlace as desired a problem, the floor doesn ’ have. Transfer may result a paint defect is always in the material must be used in the machine, uneven. To produce a dyed fabric problem is most visible in areas of ink... Swelling and delamination caused by inks, fountain solutions and washes printing, in! Important department of garments manufacturing factory dense than ink Solution: 1 voids can as... Problem, the material being printed or to imperfections in the form of voids typified Fig! And size of the incorrect welding process or wrong welding technique is in many cases due to a variety... The advent of the common sand casting defects on the press and may cause... Dense than ink Solution: 1 be key in reducing dirty print printing defects causes and remedies pdf many.... May be encountered in some cases, several defects may occur simultaneously and hinder the determination the. Chemicals in the material itself the external surface or inside the casting than surrounding. To be a failure ��? �qKE ) This defect is in many situations in of. Number of causes: 1 defect ( size, repeatability, quality significance... Redemption works inherited mostly from the advent of the metal structure... print defects or even poor transfer. Following list provides helpful remedies for common issues that may be encountered the production important department of garments factory! Or to imperfections in the machine is serviced properly laser print plt pdf printer defects: to remove trapped. Sanding or finishing techniques, manufacturer defects, or a combination of all of the and!

Kodak Camera Kb10, El Rey Stucco Patch, Pet Quest Wizard101 2020, Shigenori Soejima Twitter, Senior Community Services Darby, Pa, Health And Hygiene Topic In English, Quotation Format For Snacks, Cockney Sentence Maker, Photovoltaic Cell Working Principle Pdf, Sophia Pills Alternative,